28600030 has 16 divisors (see below), whose sum is σ = 51963120. Its totient is φ = 11332672.

The previous prime is 28600021. The next prime is 28600037. The reversal of 28600030 is 3000682.

It is a junction number, because it is equal to n+sod(n) for n = 28599980 and 28600007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12295 + ... + 14434.

It is an arithmetic number, because the mean of its divisors is an integer number (3247695).

Almost surely, 2^28600030 is an apocalyptic number.

28600030 is a deficient number, since it is larger than the sum of its proper divisors (23363090).

28600030 is a wasteful number, since it uses less digits than its factorization.

28600030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26843.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 28600030 is about 5347.8995876886. The cubic root of 28600030 is about 305.8126852809.

The spelling of 28600030 in words is "twenty-eight million, six hundred thousand, thirty".